Marketplace Tech for Thursday, December 19, 2013

China's largest Bitcoin exchange, BTC China has been forced to stop taking Chinese currency. The move follows a reported meeting this week between payment processing companies in the country and the People's Bank of China, and a decision by national financial agencies in the country earlier this month that effectively banned dealing in Bitcoin, the so-called cryptocurrency -- which Marketplace Tech has been looking at all week -- seems either on the verge of collapse or going to the next level. So, which is it? Plus, the first piece of artwork created with Google Glass.